Re: [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

2011-06-28 Thread Ohad Ben-Cohen
Hi Randy, Thanks for your comments ! On Wed, Jun 29, 2011 at 2:44 AM, Randy Dunlap wrote: >> +hardware accelerators, and therefore are often used to offload cpu-intensive > > prefer:                                                           CPU- > throughout. Isn't that changing the meaning a b

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Re: [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

2011-06-28 Thread Randy Dunlap
On Tue, 21 Jun 2011 10:18:33 +0300 Ohad Ben-Cohen wrote: > Add a virtio-based IPC bus, which enables kernel users to communicate > with remote processors over shared memory using a simple messaging > protocol. > > Assign a local address for every local endpoint that is created, > and bind it to t

Re: [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

2011-06-28 Thread Ohad Ben-Cohen
On Wed, Jun 29, 2011 at 1:51 AM, Grant Likely wrote: > It's not the device_for_each_child() that you're 'putting' back from > here.  Its the original kref initialization when the device was > created. device_unregister() is already calling put_device(), doesn't that deal with the original kref in

Re: [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

2011-06-28 Thread Grant Likely
On Tue, Jun 28, 2011 at 4:46 PM, Ohad Ben-Cohen wrote: > Hi Grant, > > On Tue, Jun 28, 2011 at 1:21 AM, Grant Likely > wrote: >>> +static int rpmsg_remove_device(struct device *dev, void *data) >>> +{ >>> +     struct rpmsg_channel *rpdev = to_rpmsg_channel(dev); >>> + >>> +     device_unregiste

Re: [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

2011-06-28 Thread Ohad Ben-Cohen
Hi Grant, On Tue, Jun 28, 2011 at 1:21 AM, Grant Likely wrote: > Nice patch.  I'm quite thrilled to see this implemented.  Some > comments below, but otherwise I think it looks pretty good. Thanks ! >> +source "drivers/virtio/Kconfig" > > What happens when kvm and rpmsg both get enabled on the

Re: [RFC 1/8] drivers: add generic remoteproc framework

2011-06-28 Thread Ohad Ben-Cohen
On Tue, Jun 28, 2011 at 2:29 AM, Russell King - ARM Linux wrote: > (Don't have the original message to reply to...) Sorry about that. My recent emails to linux-arm-kernel were bounced with a "Message has a suspicious header" reason. not sure what am I doing wrong.. > Do we really want to end up

Re: [RFC 1/8] drivers: add generic remoteproc framework

2011-06-28 Thread Ohad Ben-Cohen
Hi Grant, Thanks a lot for the exhaustive review and comments ! On Mon, Jun 27, 2011 at 11:49 PM, Grant Likely wrote: >> +     my_rproc = rproc_get("ipu"); > > I tend to be suspicious of apis whose primary interface is by-name > lookup.  It works fine when the system is small, but it can get > u

Re: [PATCH v5 1/1] drivers:staging:pruss: add pruss staging mfd driver.

2011-06-28 Thread Greg KH
On Tue, May 31, 2011 at 01:15:39PM +0530, Subhasish Ghosh wrote: > This patch adds the pruss MFD driver and associated include files. > For details regarding the PRUSS please refer the folowing link: > http://processors.wiki.ti.com/index.php/Programmable_Realtime_Unit_Subsystem > > The rational be

[PATCH v2] davinci: da850: add a .set_rate method to ref_clk

2011-06-28 Thread Christian Riesch
This patch allows setting the input clock frequency of the SoC from the board specific code using the davinci_set_refclk_rate function. Suggested-by: Kevin Hilman Signed-off-by: Christian Riesch --- v2: fixed the commit message and indentation. Regards, Christian arch/arm/mach-davinci/da850.c

RE: [PATCH 1/4] davinci: psc.h: clean up indentation done using spaces

2011-06-28 Thread Nori, Sekhar
Hi Arnd, On Mon, Jun 27, 2011 at 20:55:14, Arnd Bergmann wrote: > Ok. Do you also have a public tree with all the patches that > you would hope to get merged eventually? I'd just like to > get an impression of what's to come. You can have a look at the git tree: git://gitorious.org/linux-davin

Re: [RFC 0/8] Introducing a generic AMP/IPC framework

2011-06-28 Thread Brian Swetland
On Tue, Jun 28, 2011 at 4:26 AM, Ohad Ben-Cohen wrote: > On Tue, Jun 28, 2011 at 12:22 AM, Grosen, Mark wrote: >> 2. We added a special section (resource table) that is interpreted as part >> of the loading process. The tool that generates our simple format just >> recognizes a named section (".r

RE: [RFC] Media Controller Capture driver for DM365

2011-06-28 Thread Hadli, Manjunath
Laurent, Sorry for getting back late on this. I was also tied up. I am following it up with the patches. -Manju On Mon, May 02, 2011 at 03:36:23, Laurent Pinchart wrote: > Hi Manjunath, > > On Wednesday 27 April 2011 16:14:03 Hadli, Manjunath wrote: > > Introduction > > > > This

Re: [RFC 0/8] Introducing a generic AMP/IPC framework

2011-06-28 Thread Ohad Ben-Cohen
On Tue, Jun 28, 2011 at 12:22 AM, Grosen, Mark wrote: > 2. We added a special section (resource table) that is interpreted as part > of the loading process. The tool that generates our simple format just > recognizes a named section (".resource_table"), so perhaps that could be > done with the PIL

RE: [PATCH] davinci: da850: add a .set_rate method to ref_clk

2011-06-28 Thread Nori, Sekhar
Hi Christian, On Tue, Jun 14, 2011 at 23:09:17, Christian Riesch wrote: > This patch allows setting the input clock frequency of the SoC from > the board specific using the davinci_set_refclk_rate function. "board specific code" > > Suggested-by: Kevin Hilman > Cc: Sekhar Nori > Signed-off-by

Re: [RFC 6/8] davinci: da850: add remoteproc dsp device

2011-06-28 Thread Sergei Shtylyov
Hello. On 21.06.2011 11:18, Ohad Ben-Cohen wrote: From: Mark Grosen Add davinci remoteproc device for the da850's C674x dsp remote processor, and support it on the da850-evm and omapl138-hawk boards. Signed-off-by: Mark Grosen Signed-off-by: Ohad Ben-Cohen [...] diff --git a/arch/arm/

RE: [RFC 5/8] remoteproc: add davinci implementation

2011-06-28 Thread Nori, Sekhar
Hi Mark, On Mon, Jun 27, 2011 at 23:50:25, Grosen, Mark wrote: > > >>> +static inline int davinci_rproc_start(struct rproc *rproc, u64 > > >> bootaddr) > > >>> +{ > > >>> + struct device *dev = rproc->dev; > > >>> + struct davinci_rproc_pdata *pdata = dev->platform_data; > > >>> +